Soft X-Ray Magnetic Circular Dichroism Study of the Colossal Magnetoresistance Compound La1-xSrxMnO3

E. Pellegrin, L.H. Tjeng, F.M.F. de Groot, R. Hesper, G.A. Sawatzky, Y. Moritomo, Y. Tokura

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Soft X-ray magnetic circular dichroism (SXMCD) measurements are reported on the O K- and Mn L-absorption edges of La1-xSrxMnO3 (x = 0.15, 0.18, and 0.4) single crystals in their ferromagnetic regime. This has been done using a recently developed experimental technique for magnetizing the samples offering the possibility to get high-accuracy SXMCD effect measurements on bulk samples. The very strong doping-induced O K-edge intensity is proof of an enhanced O 2p hole component of the doped holes. O K soft X-ray magnetic circular dichroism spectra give evidence for an orbital magnetic moment of this O 2p component ferromagnetically coupled to the Mn moments.
Original languageEnglish
Pages (from-to)115-118
Number of pages4
JournalJournal of Electron Spectroscopy and Related Phenomena
Volume86
Publication statusPublished - 1997

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